Hi Teazer,
That's correct, no part numbers on the powerjet jets, and no choice in sizes.
Now what's bothering me that all CB72 powerjet square bowls carburetors I have do have the bleeding holes in the pipes, but the set that was on my CB72, and gave the problems described earlyer don't have these blediong holes at the pipes. Saturday I got the carburetor body back from the guy how cleaned ultrasonic, and still no hole, so it's not clogged. It seems, again, the same with the powerjet jets, that this is factory made.
Ps, all slides I have are brass with chrome on top, used or NOS.
Jensen
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powerjet carburators
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jensen
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Hi,
The carburetors shown in the last picture is one of the last issue's and from a 1967 bike. The powerjet system is drilled, but the jets are closed, there's no bleeding hole at the pipe witch should give a balance to the float chamber.
It is jetted as a standard carburetor, slow jet is 35, main jet is 100, the powerjet jets don't have any numbers on it, and no marks (like a Keihin star). The carburetors are marked as PW22 only.
As far as I know, these carbs are original and complete same as they left the factory.
Jensen
The carburetors shown in the last picture is one of the last issue's and from a 1967 bike. The powerjet system is drilled, but the jets are closed, there's no bleeding hole at the pipe witch should give a balance to the float chamber.
It is jetted as a standard carburetor, slow jet is 35, main jet is 100, the powerjet jets don't have any numbers on it, and no marks (like a Keihin star). The carburetors are marked as PW22 only.
As far as I know, these carbs are original and complete same as they left the factory.
Jensen
assembly of Japanese motorcycles requires great peace of mind (Pirsig)